12388634372 has 48 divisors (see below), whose sum is σ = 23479458240. Its totient is φ = 5699590272.

The previous prime is 12388634341. The next prime is 12388634389. The reversal of 12388634372 is 27343688321.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1720163 + ... + 1727349.

It is an arithmetic number, because the mean of its divisors is an integer number (489155380).

Almost surely, 2^12388634372 is an apocalyptic number.

It is an amenable number.

12388634372 is a deficient number, since it is larger than the sum of its proper divisors (11090823868).

12388634372 is a wasteful number, since it uses less digits than its factorization.

12388634372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7860 (or 7858 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 47.

The spelling of 12388634372 in words is "twelve billion, three hundred eighty-eight million, six hundred thirty-four thousand, three hundred seventy-two".